<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>动画animate-demo</title>
    <link rel="stylesheet" href="./animate.css">
    <style>
        div {
            animation-duration: 3s;
            animation-delay: 2s;
            animation-iteration-count: infinite; /* 一直循环 */
        }
    </style>
</head>
<body>
    <div  style="width: 100px;height: 100px;background-color: red;" class="shake"></div>
</body>
</html>